Olympus OM-D E-M10 Mark IV vs Panasonic LUMIX GH5 II

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OM-D E-M10 Mark IV compared with LUMIX GH5 II

	OlympusOM-D E-M10 Mark IV	PanasonicLUMIX GH5 II
Overview
Released
Released	August 2020	June 2021
Image and sensor
Camera type
Camera type	Mirrorless	Mirrorless
Sensor format
Sensor format	Four Thirds	Four Thirds
Sensor type
Sensor type	Live MOS	Live MOS
Sensor dimensions
Sensor dimensions	17.3 × 13 mm	17.3 × 13 mm
Effective resolution
Effective resolution	20.3 MP	20.33 MP
Largest image
Largest image	5184 × 3888	5184 × 3888
RAW recording
RAW recording	Yes	Yes
Standard ISO range
Standard ISO range	200–25600	200–25600
Sensor detail
Sensor detail	Approximately 21.8 total megapixels; UK image area 17.3×13 mm, while Japan specifies 17.4×13 mm	20.33 million effective and 21.77 million total pixels; anti-reflection coating, 4:3 primary colour filter and sensor-shift dust reduction
Image formats
Image formats	JPEG, 12-bit losslessly compressed ORF RAW and simultaneous RAW+JPEG; 5184×3888 maximum ordinary still size	JPEG and RAW; 6K/4K Photo modes extract JPEG frames from video-derived bursts
ISO detail
ISO detail	Manual ISO 200–25600, with expanded LOW approximately ISO 100; Auto normally LOW–6400. Amateur Photographer describes a narrower standard range, unlike the maker's manual sensitivity table	Maker standard stills ISO 200–25600 with ISO 100 expanded; video ISO 200–12800 plus expanded 100. Photography Blog's ISO 100–25600 description includes expansion, not adopted as standard range
Image processor
Image processor	TruePic VIII	–
Lens and shooting
Lens mount
Lens mount	Micro Four Thirds	Micro Four Thirds
Stabilisation
Stabilisation	Sensor shift	Lens and sensor shift
Maximum continuous burst
Maximum continuous burst	15 fps	12 fps
Autofocus
Autofocus	121-point contrast detection; single, nine-point group or all-area selection; face and near-eye detection, tracking, manual focus and focus peaking	Contrast AF with DFD and human/animal detection; maker 225-area selection
Shutter
Shutter	Mechanical 1/4000–60 seconds; electronic 1/16000–60 seconds; electronic first curtain 1/320–60 seconds, switching to mechanical first curtain at faster speeds; Bulb, Live Time and Live Composite	Mechanical up to 1/8000 second, electronic first curtain 1/2000 and electronic 1/16000; mechanical bulb up to 30 minutes
Burst detail
Burst detail	Electronic high approximately 15 fps with focus fixed at the first frame; electronic low 6.3 fps with continuous autofocus, reported by Amateur Photographer. Mechanical high 8.7 fps and low 5 fps. Maker electronic-high buffer 42 RAW or 49 large-fine JPEG with specified Toshiba UHS-II card	Full-resolution 12 fps AFS/MF or 9 fps AFC with mechanical, electronic first curtain or electronic shutter. More than 108 RAW/RAW+JPEG or 999 JPEG under maker card conditions. Reduced-resolution 6K Photo 30 fps and 4K Photo 60/30 fps are separate
Stabilisation detail
Stabilisation detail	Five-axis sensor shift, rated up to 4.5 CIPA stops with M.Zuiko Digital ED 14–42mm F3.5–5.6 EZ at 42 mm, yaw/pitch; movie stabilisation can add electronic correction with a field-of-view crop	Five-axis Body I.S. rated 6.5 stops with H-ES12060 at 60 mm; compatible-lens Dual I.S. 2 also 6.5 stops with H-FS14140 at 140 mm, CIPA yaw/pitch
Flash
Flash	Built-in flash, guide number 7.2 at ISO 200; hot shoe; mechanical flash synchronisation up to 1/250 second	–
Exposure controls
Exposure controls	P/A/S/M, Auto, scene and Advanced Photo modes; live long-exposure previews, multiple exposure and eight-frame focus bracketing in AP mode	–
Video
Highest video resolution
Highest video resolution	3840 × 2160 at 30 fps	4992 × 3744 at 29.97 fps
Video detail
Video detail	MOV H.264; 4K 30/25/24p approximately 102 Mbps, Full HD up to 60p and 720p high-speed recording at 120 fps; maximum clip approximately 29 minutes	Highest internal resolution maker-labelled Anamorphic 6K 4992×3744 4:3 up to 29.97p, 4:2:0 10-bit. C4K 4096×2160 and UHD 3840×2160 up to 59.94p in 4:2:0 10-bit; 4:2:2 10-bit up to 29.97p, including ALL-Intra options. V-Log L preinstalled; recording duration subject to media, power and operating conditions
Audio
Audio	Built-in stereo microphone, 16-bit 48 kHz linear PCM, recording-level and wind-noise controls; no microphone or headphone socket, confirmed by both reviews	Stereo microphone and monaural speaker; 3.5 mm microphone/line input and headphones, optional DMW-XLR1
Screen and viewfinder
Viewfinder
Viewfinder	Electronic	Electronic
Screen size
Screen size	3″	3″
Screen dots
Screen dots	1,037,000	1,840,000
Touchscreen
Touchscreen	Yes	Yes
Tilting screen
Tilting screen	Yes	Yes
Display detail
Display detail	Tilts approximately 80° up and 180° down; forward-facing selfie mode beneath the body	Free-angle 3-inch 3:2 touch LCD with approximately 1.84 million dots
Viewfinder detail
Viewfinder detail	Approximately 2.36 million dots, 100% coverage and maximum 1.23× magnification with 50 mm lens at infinity, −1 dioptre	OLED approximately 3.68 million dots, 100% coverage and 0.76× 35 mm-equivalent magnification under maker conditions; 60/120 fps display
Connections and design
Wi-Fi
Wi-Fi	Yes	Yes
Bluetooth
Bluetooth	Yes	Yes
Battery life (maker's claim)
Battery life (maker's claim)	360 photographs	410 photographs
Body weight
Body weight	335 g (better)	647 g
Release detail
Release detail	Maker European announcement states mid-August 2020 availability; Japan first sale 18 September and North American shipping 25 September. Month precision retained for the earlier European release	Maker Japan confirms first sale 25 June 2021; headline month avoids assuming an exact UK day. Digital Camera World's review did not test fast-moving burst subjects or face/body video tracking; its favourable AF findings concern ordinary stills and selected-point transitions
Recording media
Recording media	One SD slot; SDHC and SDXC with UHS-I/UHS-II support	Two SD/SDHC/SDXC UHS-I/UHS-II slots; recording modes require appropriate speed class
Ports
Ports	USB 2.0 Micro-B, micro-HDMI Type D and hot shoe; no wired remote-release socket	USB-C SuperSpeed USB 3.1 Gen 1, full-size HDMI Type A, 2.5 mm remote, flash-sync socket and 3.5 mm audio connections
Wireless connections
Wireless connections	Wi-Fi IEEE 802.11b/g/n and Bluetooth 4.2 Low Energy; smartphone transfer, remote shooting and smartphone GPS tagging through OI.Share	Wi-Fi 2.4/5 GHz and Bluetooth Low Energy 4.2; wireless live streaming through LUMIX Sync or Wi-Fi router. 5 GHz unavailable in some regions
Battery life detail
Battery life detail	BLS-50 rechargeable battery; approximately 360 CIPA photographs with stabilisation on; video 80 minutes under standard JEITA conditions or 140 minutes with repeated maximum-length clips under maker conditions	DMW-BLK22 7.2 V 2200 mAh 16 Wh; CIPA approximately 410 shots with H-FS12060 or 400 with H-ES12060. One-second power-save EVF 1200 shots conditional, not headline
Charging
Charging	In-camera USB charging with camera switched off; F-5AC USB adapter supplied in Japan; external BCS-5 charger optional	USB charging, power supply and Power Delivery; dedicated charger included
Dimensions
Dimensions	121.7×84.6×49 mm, excluding protrusions	Approximately 138.5 × 98.1 × 87.4 mm excluding protrusions
Weight detail
Weight detail	Approximately 335 g body only; 383 g with supplied battery and memory card, without eyecup	Approximately 647 g body only or 727 g with battery and one SD card
Materials
Materials	Engineering-plastic body; no weather sealing, reported by Photography Blog	Dust/splash-resistant, not waterproof; maker operating range −10 to 40 °C
Colours
Colours	Black or silver	–
In the box
In the box	Body, BLS-50 battery, USB cable, shoulder strap, USB adapter and documentation; regional plug variants apply	Body cap, hot-shoe cover, eyecup, flash-sync cap, battery-grip connector cover, shoulder strap, battery, charger, AC adapter, USB A–C cable and cable holder; lens accessories vary by kit